Automatic Digital Pre-distortion Design Generation for AI Engine (XAPP1391)

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DPD needs to support high sample rates for 5G and 6G wireless communication systems. The LUT coefficient calculation is performed in the processor, magnitude calculation and other control logic can be placed in programmable logic, and the compute-intensive non-linear filters are mapped to AI Engines. AMD Versal™ AI Core devices with AMD Vitis™ software and a set of MATLAB scripts make the design of such complicated heterogeneous systems much easier than before. Users do not have to write a single line of code to get the whole DPD forward-path design generated and tested on hardware. As a result, AI Engine becomes a fully customizable hardware accelerator that can be customized and created in a very short time without any coding.